Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: f2c 20240312 -> 20250921 https://repology.org/project/f2c/versions
attrpath: f2c
Checking auto update branch...
No auto update branch exists
[version] 
[version] updated version and sha256
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] skipping because derivation has no updateScript
Diff after rewrites:
diff --git a/pkgs/by-name/f2/f2c/package.nix b/pkgs/by-name/f2/f2c/package.nix
index 197c11a94c9b..afda781c4ac5 100644
--- a/pkgs/by-name/f2/f2c/package.nix
+++ b/pkgs/by-name/f2/f2c/package.nix
@@ -6,11 +6,11 @@
 
 stdenv.mkDerivation {
   pname = "f2c";
-  version = "20240312";
+  version = "20250921";
 
   src = fetchurl {
     url = "https://www.netlib.org/f2c/src.tgz";
-    sha256 = "sha256-TTPve2fe31/Ad+xFAWy6NUIes2QyUi6NjFucN0pdb5k=";
+    sha256 = "sha256-soJKb3t1/+AZPOm6VUYxkaevfC/+EONx43JFHitSfgk=";
   };
 
   makeFlags = [

Source url did not change.